/*
 * Copyright 2011 Google Inc. All Rights Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.google.typography.font.tools.subsetter;

import java.util.Collections;
import java.util.HashSet;
import java.util.Set;


/**
 * @author Stuart Gill
 */
public abstract class TableSubsetterImpl implements TableSubsetter {

  protected final Set<Integer> tags;
  
  protected TableSubsetterImpl(Integer... tags) {
    Set<Integer> temp = new HashSet<Integer>(tags.length);
    for (Integer tag : tags) {
      temp.add(tag);
    }
    this.tags = Collections.unmodifiableSet(temp);
  }

  @Override
  public boolean tagHandled(int tag) {
    return this.tags.contains(tag);
  }

  @Override
  public Set<Integer> tagsHandled() {
    return this.tags;
  }  
}
